1. Inside means within something else.

Pattern: verb + noun + inside + noun
There are some little toy animals inside the box.
She put the money inside the envelope.

2. Inside (adverb) means indoors, within a building.
It started to rain, so we went inside.

Fact
Colgate faced a big obstacle marketing toothpaste in Spanish speaking countries. Colgate translates into the command go hang yourself.      .. More >>