the acorns are the "currency" for this web site ....you can "tip" other users for their contributions, comments, wisdom, guidance or for a thought provoking photograph ....
you may get an acorn for your contributions ....
the badges are icons for "things" you have an interest in ...might be a type of plant, a hobby or region
you can "buy" badges for 5 acorns each
badges can found by going to the top right of this page and clicking on the down arrow and choosing Your user name "profile" ....
to > Your Actions:
to > Manage your microbadges
to > Browse and add more badges
to get you started - I have given you 10 acorns ....have fun
reply to this by scrolling to the bottom and you will see all the smiley faces