A symbolic gesture is an action or behavior that represents or symbolizes a particular idea, feeling, or intention. It is a way to express something without using words, often conveying a deeper meaning or significance. Full definition
I just don't see it as a big deal and I think it's a proper symbolic gesture of peace for those who died. (religion.blogs.cnn.com)
Our culture is full of other symbolic gestures for showing such a break. (redeeminggod.com)
Crossing the bridge or riding the ferry over for events and meetings might be a mostly symbolic gesture, but the effort still matters to them. (silive.com)