Auto Layout
Auto Layout refers to a method for arranging interface elements so that spacing, alignment, and sizing adjust automatically as content changes. It is used in design and development work to create consistent layouts for screens, panels, and...
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Cocoa Touch is a software framework used for developing applications for Apple's iOS operating system. It builds on top of the Core Foundation and Foundation frameworks and provides developers with a set of graphical user interface tools, animation, and other features necessary for building iOS applications. It is written in Objective-C and now also supports Swift programming language. Cocoa Touch is a critical skill for any iOS app developer.
Core Animation, which refers to a graphics rendering and animation framework for Apple platforms, enables the creation of smooth, hardware-accelerated animations and visual effects. It is used to animate properties such as position, size, and opacity of interface elements. Core Animation supports layering, compositing, and timing control to enhance user interface responsiveness and visual presentation.
Core Data is a framework provided by Apple for managing the storage of data in an application. It provides an abstraction layer that allows developers to work with data in a platform-agnostic way, enabling easy integration between different devices and operating systems. Core Data can manage both relational and non-relational data, and provides features such as data validation and synchronization. It is used extensively in iOS and macOS development.
IOS Applications refers to software programs developed specifically for Apple mobile devices running the iOS operating system. This skill involves designing, coding, testing, and maintaining applications for devices such as iPhones and iPads. It includes knowledge of programming languages like Swift or Objective-C, as well as familiarity with Apple's development environment and user interface guidelines. Proficiency in this area enables the creation of functional, responsive, and user-friendly mobile applications.
Size Classes refers to the grouping of items, products, or materials into standardized size categories based on defined measurements or limits. It is used to organize specifications, support comparison, and guide selection, production, or inventory decisions. The skill requires understanding size ranges and applying consistent classification rules across work processes.
Lightcast Skills Taxonomy
Looking for a specific skill? Search our library. Explore 35,000+ skills that we've collected from hundreds of millions of job postings, resumes, and online profiles.
The Lightcast Skills Taxonomy delivers clarity by allowing everyone to speak the same language. Use our APIs to articulate your skills needs, and leave the details to us: our dedicated team of taxonomists and engineers cleans, checks, and updates each entry so that you always have the most accurate and up-to-date picture of the labor market.
Are you a nonprofit pursuing a public good? Lightcast Skills APIs are freely available to you because we believe in using data for good and creating a labor market that works for everyone. Through the shared language of skills, we can enable a world where every worker and every job can find their best fits as efficiently and easily as possible.
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The Lightcast Skills Taxonomy

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How Many Jobs Does a Data Center Create? Construction vs. Permanent Jobs
Skills Hierarchy and Tags
Related Skills
Browse the most common related skills to this skill, based on the last 5 months of job postings data.
How does Lightcast define a skill?
Cocoa Touch is a software framework used for developing applications for Apple's iOS operating system. It builds on top of the Core Foundation and Foundation frameworks and provides developers with a set of graphical user interface tools, animation, and other features necessary for building iOS applications. It is written in Objective-C and now also supports Swift programming language. Cocoa Touch is a critical skill for any iOS app developer.
Core Animation, which refers to a graphics rendering and animation framework for Apple platforms, enables the creation of smooth, hardware-accelerated animations and visual effects. It is used to animate properties such as position, size, and opacity of interface elements. Core Animation supports layering, compositing, and timing control to enhance user interface responsiveness and visual presentation.
Core Data is a framework provided by Apple for managing the storage of data in an application. It provides an abstraction layer that allows developers to work with data in a platform-agnostic way, enabling easy integration between different devices and operating systems. Core Data can manage both relational and non-relational data, and provides features such as data validation and synchronization. It is used extensively in iOS and macOS development.
IOS Applications refers to software programs developed specifically for Apple mobile devices running the iOS operating system. This skill involves designing, coding, testing, and maintaining applications for devices such as iPhones and iPads. It includes knowledge of programming languages like Swift or Objective-C, as well as familiarity with Apple's development environment and user interface guidelines. Proficiency in this area enables the creation of functional, responsive, and user-friendly mobile applications.
Size Classes refers to the grouping of items, products, or materials into standardized size categories based on defined measurements or limits. It is used to organize specifications, support comparison, and guide selection, production, or inventory decisions. The skill requires understanding size ranges and applying consistent classification rules across work processes.
Lightcast Skills Taxonomy
Looking for a specific skill? Search our library. Explore 35,000+ skills that we've collected from hundreds of millions of job postings, resumes, and online profiles.
The Lightcast Skills Taxonomy delivers clarity by allowing everyone to speak the same language. Use our APIs to articulate your skills needs, and leave the details to us: our dedicated team of taxonomists and engineers cleans, checks, and updates each entry so that you always have the most accurate and up-to-date picture of the labor market.
Are you a nonprofit pursuing a public good? Lightcast Skills APIs are freely available to you because we believe in using data for good and creating a labor market that works for everyone. Through the shared language of skills, we can enable a world where every worker and every job can find their best fits as efficiently and easily as possible.
Browse Skill Categories
Lightcast Skills Resources

The Lightcast Skills Taxonomy

Stop Predicting the Future. Start Preparing for It.

How Many Jobs Does a Data Center Create? Construction vs. Permanent Jobs
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This skill is part of the Lightcast Skills Taxonomy, a library of over 35,000 job related skills. It is the standard used by higher education institutions, public sector organizations and Fortune 500 companies around the globe.