A Composite Ally is an Ally with a specific inclination towards one of the specific spectrums, or an ally with a potential to become part of the community but hasn't come out yet.
The flag can be both the normal Ally flag with their inclination inside the A, or the Romo flag with their inclination inside the heart.
Flag
The term is coined by user S9ud0w. It is the Ally flag with the user's inclination in the a, or the Straight Romo flag with the inclination inside the heart. It is called Composite Ally due to being Ally, but also has their own in-community inclination.