A&E is channel #265 on Direct TV Channel Guide. It is available in HD (High Definition). A & E (Arts & Entertainment) is in all of the 4 packages that DirecTV offers. You will be able to find it in Choice, Choice Extra, Choice Ultimate and Choice Premier.
Caseworker (social work) In social work, a caseworker is a type of social worker who is employed by a government agency, non-profit organization, or other group to take on the cases of individuals and provide them with advocacy, information or other services. 1 Social case work.
Use case. A very simple use case diagram of a Wiki system. In software and systems engineering, a use case is a list of actions or event steps, typically defining the interactions between a role (known in the Unified Modeling Language as an actor) and a system, to achieve a goal. The actor can be a human or other external system.