This option open a new window that show the list of the entities where a condition is applied, and its values.
A double-click on a line will point to the entity where the condion is applied.
Transfer: selecting an item and pressing this button. the condition window entries will be willed with the values of this item.
Send: to send all entities that have the same condition with the same data than the selected entities to layers back or the opposite. When an entity is in the layer back, it cannot be viewed neither selected.
To send entities again to front, use: Bring All to front