Many commands work on a selection. For example you need to select an area of text before you can move it around the document by cutting and pasting.
Select an arbitrary area of text by either:
Position the caret at the start of the area you need to select by moving the pointer there and clicking.
Hold the mouse button down and drag the mouse down until the black area covers all the text you want to select.
Release the mouse button; your chosen area is selected.
or
Place the caret where you want the selection to start.
Move the pointer to where you want the selection to finish.
Control-click the left mouse button or click the Adjust button (RISC OS).
Select a single word by double-clicking on it
Select a whole paragraph by triple-clicking on it.
Ctrl-W selects the word the caret is currently in.
Ctrl-P selects the paragraph containing the caret.
Adjusting a selection
You can extend selections in the following ways:
To change the size of a selection, point at the new place you
want the selection to end and
Control-click the left mouse button or click the Adjust button (RISC OS).
Type Ctrl-W to extend the selection a word at a time.