You hold the "Shift" button on ur keyboard and press the mouse, congrats, a shift click.
To 'right click' means to press the right mouse button once.
right click
right click it.
Right click.
Right Click
You right click
Hold Right Click.
you right click on a block
right click + hold
right click a pig
Right-click the railcart (or minecart) to get in (or out).
You right click the gate
Right click a cow with a bucket.