In the edit window of your entity, launched by double-clicking the entity or pressing "More..." at the properties window of your entity, you can manage the attributes and indexes of the entity, specify the entity's example of a record or for static entities manage its records, and define some advanced options related to that entity.
The Attributes Tab allows you to manage the attributes of your entity. The next picture presents an example of this tab:
In this tab you can create, delete, and change the attributes of an entity. For each attribute you have to specify its properties. How?
Entity Description | Indexes Tab | Example Record Tab | Advanced Tab | Static Entity's Records Tab