Contains
- object
A tangible and visible entity; an entity that can cast a shadow; "it was full of rackets,...
- process
A sustained phenomenon or one marked by gradual changes through a series of states; "events...
- causal agent
Any entity that produces an effect or is responsible for events or results.
- matter
That which has mass and occupies space; "physicists study both the nature of matter and the...
- thing
A separate and self-contained entity.
- substance
Material of a particular kind or constitution; "the immune response recognizes invading...