A term in the theory of lists.
A list is made up of elements. Thus, for example, a list of numbers has numbers as the elements. For example:
is a list with the following elements:
Again, a list can be made up of names. The following list:
has the following elements:
Thus an element in a list is a member of the list.
A term in conceptual graph theory (and other domains).
Generally, if an entity A is embedded within another entity B, then A is situated structurally inside of B. In addition, A is seen as a substructure within B.
[Situation: [Man]<-(Agnt)<-[Walk] ] "There is this situation: A man is walking."
In this example, the conceptual graph
is embedded inside the concept with the type "Situation".
Generally speaking, "Entity" is a name we can give to anything at all about which we wish to speak.