To type a glyph, type \ and then a key, as in the BQN REPL. For example, \i gives β and \space gives βΏ. Press Ctrl+Enter to explain. Point to a glyph button, or move the focus to it, to see what the glyph does.
+FunctionΛ1-modifierβ2-modifier12Number, character or special value"ab"StringabcValue nameβSyntax# noteComment