Originally posted by Major
I don't know about that. From a writing perspective it is always better to simply say what something is because you could never cover all the what it can't be options.
In this case Single Point says it can only make an attack, or delay, no other actions.
A gambit is not an attack, it is a gambit. Gambits are defined as a "special maneuver", similar but not equal to decisive attacks.
A gambit is an attack, and the extra action from Single Point Form can be used to make gambits.
I'll admit that the decisive attack-creating Charms in the core our not as clear on their interaction with decisive attacks as one would like; moving forward I want to try and present them more clearly.