No clue what the direct definition/meaning is,
BUT i know what they are.
Basically, its the games, like CIVILIZATION, where its TURNperTURN, and the map is usually (or not) having hexagonal spaces to move units.
tldr : think of turns-games but 4x more complex
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Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time?
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ENDLESS™ Legend is a 4X turn-based fantasy strategy game by the creators of ENDLESS™ Space and Dungeon of the ENDLESS™. Control every aspect of your civilization as you struggle to save your homeworld Auriga. Create your own Legend!
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Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.
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