Awesome, thanks for the answers.
Yeah, it looks like the white flashes must be a "just defend" like you say. I looked back at a video I recorded, and every time there's a block with the white flash, the blocker gained a little bit of meter. Good to know how that works.
I'm not new to fighting games, but I only just started playing on Feb 22 and didn't really watch many streams or interviews that might have explained the mechanics specific to TFH. Such as:
How do you perform a push block? (Knocking the opponent away after blocking)
Sometimes when a character...