There are multiple ways that a texture pack can help make the game look better. Packs such as Animated PvP ...
Minecraft 1.17 Resource Packs
Version 1.17 has now been released as of June 8, 2021, see previous versions here: 1.8, 1.9, 1.1, 1.11, 1.12, 1.13, 1.14, 1.15, 1.16