What does the laptop screen 900P mean?

Question: What does the notebook screen 900P mean, see a lot of evaluation articles written to 900P 14 inch notebook screen, 900P is what concept, 900P calculate HD screen?

The common evaluation HD resolution has 720P and 1080P, most notebook screen is 1366*768 resolution, this resolution has been able to meet the 720P movie playback, that is, 768 is the height of the screen, more than the 720P movie 720 height requirements, but can not meet 1920* 1080 of the original ratio of 1080P film playback requirements, so to see the original proportion of 1080P must reach the 1920*1080 resolution of the screen.

And 900P is 1600*900 resolution, can not be labeled high-definition resolution, because the 14-inch 1920*1080 resolution of the screen price is very high, and 1600*900 is relatively low, and the effect is better than 1366*768.