Global and Local Definitions This chapter describes the available functionality in the Global and Component Definitions branches such as parameters, variables, functions, operators, and coordinate systems. In this chapter: • Global Definitions, Geometry, Mesh, and Materials • Definitions • Operators, Functions, and Constants • Predefined and Built-In Variables • Mass Properties • Functions • Component Couplings and Coupling Operators • Coordinate Systems • Identity and Contact Pairs • Probes • Infinite Elements, Perfectly Matched Layers, and Absorbing Layers