in this video i gave overview of Extrude dialog box or extrude command, Pan command and Look At command.

1) Extrude : Creates a feature or body by adding depth to a sketched profile. In assemblies, you can use extrusions to cut through parts. Controls the shape of a feature with sketch shape, extrusion extent, and taper angle.

2) Pan : Panning shifts the location of the view without changing the magnification, as though you were moving the image from side to side in front of a camera lens. Use the Pan command on the Standard toolbar to move the view in the graphics window in any direction planar to the screen. You can pan the view while other commands are active.

if you will Click Pan or press F2 then The cursor changes to the pan cursor.

you can Use the arrow cursor to drag the view in the graphics window.

You can also pan the view using the Intellimouse. Hold down the wheel button, move the mouse in the direction you want to pan, and release the wheel button to stop panning.

3) Look At command : you can use this feature To View the Model Normal to a Face.

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Music by
DuBoLoGy (Dub Lab):-Swan Lake Dub(Attribution)

Download Link
http://freemusicarchive.org/music/DuBoLoGy/Dub_Lab/8_-_DuBoLoGy_-_Swan_Lake_Dub

License Link
https://creativecommons.org/licenses/by/3.0/