Note: if you use '{{'ui.options.graphics.displayMode.window'|translate}}' mode with a Nvidia gpu, and 'G-Sync for windowed mode' is enabled in Nvidia Control Panel, the framerate can decrease significantly.
Anti-Aliasing will clean up jagged lines from the image, with a minimal performance cost. SMAA is recommended over the more blurry FXAA mode. SMAA is recommended.
Quality of lights and shadows. Higher settings will enable dynamic lights and provide more refined shadows. Dynamic Lights such as vehicles' headlights are disabled on the lowest settingsAffects lighting features and shadows resolution.