The Tracking tool (the palette Character) defines the interval between your letters. A negative value brings them closer, while a positive moves them apart. If you work a lot with text you will be changing this value constantly, so it will be useful to have a quick way to reset it to zero on your selected text.
This is done simply …

If you typed text which is still in the text layer, in other words, you haven’t digitalized it yet and Photoshop doesn’t allow you to use the Warp Text function, this is because you have probably selected Faux Bold or Faux Italic palette in character. The weird thing is that when you apply these virtual formatting strong and lateral scripts, …