For me, it depends on the symbols and how they’re used. I think the PF2 action symbols are fine. They’re simple and map intuitively to how many actions you need (one diamond = one action, two = two actions, etc). The icons used for monster powers in 4e? No. They make the layout messy and are sometimes redundant.TBH, I kind of hate it when RPGs use color and/or symbol coding. My brain jsst doesn't seem to be wired to remember things in relation to colours or symbols. I never know what any of them mean and immediately feel overwhelmed by them. It's one of the reasons I gave up on Warhammer 4.
For example, consider the Angel of Battle (because it’s in the MM sample on DM’s Guild). It has the following powers:




