dave, the arrow is meant to be followed, whether it is to next symbol, next spot, or straight down to cache or mine.....same with snake... if snake or arrow point straight up go ahead to next sign ..the square could be a compass point - 90 degrees----the symbol under square looks like upside down symbol for 20 degrees..the small arrow that looks like it has a handle is most likely a spade..meaning dig here,, points to,, or mine........circle like an o may mean one,,mine,, treasure,, this is the place,,mountain or knoll,,sun,, or church treasure below.....circle thats solidly cut out may mean,, one vara,, one cave,, or the same as other circle.....i did not see the dots but they can mean measurements, usually in varas or they can be letters, depending on arrangment..