The first symbol is a question mark, the question mark represent the amount of mysteries that are yet unknown in the world and there is new discoveries of our earth every day. The second symbol is a cat and her kitten , the cat represents the natural order of animals and wild life. In the top far right the symbol is a city in the shadows it represents the first felling of exploring a new place. when we visit a new place we are shrouded in mystery, we tend to discover new things when we visit a country or city, That is why i used black on the skyscrapers. the symbol on the bird represents the exploration to different countries. Originally the bird was suppose to be in the nature section but i decided that it would suit well if it was on the explore section.