The blue arrow allows you to collapse or expand the panel, the yellow fx key allows you to select an effect from all those loaded in the project, by clicking on the name it is possible to rename the effect.
The two round arrows load the selected material from the library into the effect.
The dash allows you to deletete the effect.
Pressing the “Clip Textures” button avoids the repetition of textures in tiles, useful for stencils or special effects.
It is possible to reset the panel values, obtain information and show usage Tips buttons.
Below the specific controls of the effect there is a control panel for textures and attributes of the material equal to the standard one.
Check Texture Manager and sections below for further infos.