" To be useful, any map must show three things: where we are now (in enough detail to decide whether that’s a good place for us to stay), a better place to go (in enough detail to decide whether that place really does look more inviting), and a clearly marked path between the two (in enough detail to make sure we won’t get lost along the way). "

― Dan Roam , Blah Blah Blah: What To Do When Words Don't Work