Application Design refers to the process of defining the architecture, components, interfaces, and data for a software application to meet specific requirements. This skill involves creating user-centered designs that enhance usability and functionality while ensuring technical feasibility. Knowledge of Application Design is used to develop applications that effectively address user needs, streamline workflows, and integrate with existing systems. It encompasses various methodologies and tools to facilitate the planning, prototyping, and testing of applications throughout their development lifecycle.

Enterprise Architecture refers to the practice of analyzing, designing, and implementing the structure and operation of an organization. This skill encompasses the alignment of business strategies with technology infrastructure to improve efficiency and effectiveness. Knowledge of Enterprise Architecture is used to create comprehensive frameworks that guide decision-making, facilitate change management, and ensure that IT investments support organizational goals. It enables the user to visualize and manage the interdependencies between various components of the enterprise, including processes, information systems, and technologies.

Reference Architecture refers to a standardized framework that outlines the best practices and guidelines for designing and implementing systems within a specific domain. This skill encompasses the ability to create blueprints that define the components, relationships, and interactions necessary for achieving desired outcomes in technology projects. Knowledge of Reference Architecture is used to ensure consistency, reduce complexity, and facilitate communication among stakeholders by providing a common understanding of system design and integration.

Solution Architecture is the process of designing and defining the structure of technology systems to address specific business requirements. It involves evaluating technical options, creating system blueprints, and ensuring alignment between business objectives and IT capabilities. The skill is used to integrate applications, data, and infrastructure effectively while ensuring scalability, security, and maintainability. Through this process, it enables organizations to implement cohesive and efficient technology solutions across various domains.

The Open Group Architecture Framework (TOGAF) is a high-level approach to design, planning, implementation, and governance of an enterprise's IT architecture. It involves understanding and applying a detailed method and a set of supporting tools for developing an enterprise-wide architecture within an organization. TOGAF skills include strategic alignment, risk management, cost reduction, effective IT operations, and technology standardization. Proficiency in TOGAF indicates the ability to ensure consistent standards, methods, and communication among stakeholders, leading to efficient business and IT processes.