Select the Rule Vocabulary tab; click the button beside an entity to expand the node & view its tree structure. Then, drag the specified term and drop it onto the Rulesheet.

Important: You can use either the TAB key to move from cell to cell within a row or the ARROW keys to move between rows within the Rulesheet grid. To move to another section in the Rulesheet, click on a cell within that section.
Important: Dragging and dropping is shown in this Guide as a dotted orange line, with an orange circle indicating the drag origin, and an orange diamond indicating the drag destination.