If you're talking about ship icons in a game like Stellaris or another space-themed game that involves designing or managing ships:

In Geometry Dash, ship icons are purely cosmetic skins that determine the appearance of your vehicle in the Ship game mode. While they do not change the core physics or hitboxes of the game, they are a primary way for players to showcase achievements and personalize their gameplay. Core Mechanics: Visuals vs. Physics

We’re talking about ship icons.

. Unlike the default cube, the Ship allows you to fly vertically by holding or releasing the screen. How Ship Icons Work

8. Accessibility & UX