an abstract part of something
an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system
any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
the 3rd planet from the sun; the planet we live on
the solid part of the earth's surface
the loose soft material that makes up a large part of the land surface
