Font - The font to be used for the text label.
Label visible - Allows you to hide the label of the block.
Color - The background color of the block.
Color visible - Lets you remove the background color. This is often desired when a background image has been assigned.
Image - Lets you choose an image for the block. Note that you must also select Image visible for the image to show.
Image visible - Lets you hide or show the image.
Visible - Hide or show the block on the interaction matrix.
Visible - Hide or show the block in the box diagram.
Block shape - If selected, then a shape for the block will be chosen depending on the type of block. If not selected, the block shape is a rectangular box with no border.
Glass effect - Apply a light shade on the box.
Background image - Only applies to sub-systems. Hide or show the background image.