This tutorial looks at adding effects to tracks or items. It briefly covers the very capable EQ and Compressor included with Reaper.

Keyboard Shortcuts - Updated since recorded * F Track: View FX chain for current track * Shift+F Track: View FX chain for master track * Command+F Item: Show FX chain for item take * B Track: Toggle FX bypass for current track * Command+Option+Shift+M View: Toggle master track visible