VISUAL BASIC

Detailed explanation-1: -A data dictionary lists all data items appearing in the DFD model of a system. The data items listed include all data flows and the contents of all data stores appearing on the DFDs in the DFD model of a system.

Detailed explanation-2: -A data dictionary may also be referred to as a “system catalog.”

Detailed explanation-3: -A data flow diagram (DFD) maps out the flow of information for any process or system. It uses defined symbols like rectangles, circles and arrows, plus short text labels, to show data inputs, outputs, storage points and the routes between each destination.

Detailed explanation-4: -All data flow diagrams include four main elements: entity, process, data store and data flow.

Detailed explanation-5: -A Data Dictionary is a collection of names, definitions, and attributes about data elements that are being used or captured in a database, information system, or part of a research project.

Detailed explanation-6: -A data dictionary is a collection of metadata such as object name, data type, size, classification, and relationships with other data assets. Think of it as a list along with a description of tables, fields, and columns. The primary goal of a data dictionary is to help data teams understand data assets.