Two things are beside each other if they are next to each other, facing the same direction. The two women on the bench are sitting beside each other, or side by side.
Eyed is the past tense of eye, but it means you were looking at someone or something. For example, "He eyed off the cakes on the counter".
A guide is someone who shows you where to go in a strange place. Many guide will also tell you information about the place as they are showing you through it.
Video: view
You hide when you don't want anyone to know where you are. A game where you take turns hiding and looking for other people is called hide and seek or hide and go seek.
The cat in the picture is hiding inside the rolled up mat.
