Q1: What is a model?Models often represent a systematic sequence of activities, objects, transformations, and events that embody strategies for accomplishing software evolution. Models can be used to develop more precise and formalized descriptions of software life cycle activities.Q2: What is UML model, Data Model and Code Model?UML: Stands for "Unified Modeling Language." This is a programming language that is used for object-oriented software development. To organize program code more efficiently, programmers often create "objects" that are sets of structured data within programs.Data Model: Data modeling is the analysis of data objects that are used in a business or other context and the identification of the relationships among the objects.