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 most favorable environment for a plant or animal
a secret scheme to do something (especially something underhand or illegal)
the story that is told in a novel or play or movie etc.
a small area of ground covered by specific vegetation
make a schematic or technical drawing of that shows interactions among variables or how something is constructed
