guess words which have 2 meanings...

for example:
1)green area in a city
2)put your car in a space (vb)
4 leters. It is PARK.
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I.
1)a company that broadcasts radio ot TV programmes
2)the place where you catch a bus or train
7 leters _ _ _ _ _ _ _ ??

II.
1)put your name on a document (vb)
2)a notice giving information or warning
4 leters _ _ _ _ ??

III.
1)a form of transport
2)do exercise to prepare for a sport
5 leters _ _ _ _ _ ??

IV.
1)to put e.g. lipstick on your face
2)to invent e.g. a story
2 words, first - 4 leters, second - 2 leters _ _ _ _ _ _ ??