What is the primary difference between an entity and an attribute?

Question $18$ options:

An entity is specific, where as an attribute is not data at all but brainstorming ideas that take place before the entity is created.

An entity is anything about which data is recorded and kept, whereas an attribute is the characteristic of an entity.

An attribute is a table, an entity is a column from the attribute table.

An attribute refers to applications, and an entity refers to executives.