Blender how to animate object

Below is the tutorial I am following

summary
1. Drag 3 screen , top view normal , middle view Timeline, bottom view DopeSheet
2. Click "record" on your Dopesheet
3. Click the first keyframe in your timeline and move your object to position A
4. Click the second keyframe on time 24 and move your object to position B
5. Click play button on the timeline you can see your object move from A to B