The word coming before a noun; can be used in place of "a", but "a" indicates any, while "the" indicates a certain noun.
Can be pronounced (thuh) or (thee)
Can also be used before an adjective describing a noun, but never before just an adjective
Used before a well known name/place/thing.
Used for the best/satisfying group/place to be.
To show a group of people, sometimes an adjective is the group.
Used to show a time period.