Study the group of signal words; then select the name of the pattern in which these signal words would probably be used. on the left, behind, to the side

These words are examples of spatial signal words. This means that they indicate location or direction. A way to distinguish them from other signal words is to think that they answer to the question "where?".

Other spatial signal words could be:

above, in front of, aroound, between, on, in, out, far, etc.