the different lines

this is a line:

____________________

this is not a line:



this can be a line:

------------------------------

this may cease to be a line:

- - -- ------ - - -- - -

this is an ambigous line:

- -

this depends on your definition of a line:

~~~~~~~~~~~~~~~~~~~~~~


this means I dunno how to draw a line:
_--_ --_______ _--___


this means I dun really want to draw a line:
.

this depends on whether u want to see a line:

_______________________