I want to place a character from several, non-Latin, languages. I guess I can do this using unicode, but how do I do that? Specificaly, I want to place the Hebrew Aleph and the digit currently used in Arabic for 1.
First, you need to make sure you use a font which supports these characters.
Then, you could simply type the character or copy it from somewhere.
Otherwise, using XeTeX or LuaTeX, if you know the code, you can use