How to use the tagging function of Mac system?

How does the tagging function of Mac system work? In the latest Mac OS Yosemite system, added a tag function, you can make a lot of styles in the image of the mark function, such as arrows, symbols, text and so on. In peacetime, you can open the picture directly, add some text in the picture, or some shape icon. In addition to the picture in the mail, you can also use the Mark function, it is very convenient to use, here is a small series to give you a brief introduction of how to operate in the Mac system method.

1, "Preview" app, click the "Mark" button in the window, as shown in the figure

2, then you can see a row of toolbars, as shown in the figure

3, this favorite is its "sketch" function, it allows me to mark the image of any arrow, as shown in the picture

4, as shown in the image below, I use the mouse to draw a manuscript arrow, as shown in the picture

5, then the system will automatically recognize the arrows we draw, and turn it into a standard arrow, as shown in the figure

6, in addition, you can also add a variety of shapes on the image icon, you can also add a text description, used to fill the picture on the description, as shown in the figure

7, of course, the tag has more features, here are only a few simple instructions to use. This feature can be used in addition to the pictures in the message that can be used in the preview app, except tags. Select the picture in the message, click the arrow in the upper-right corner, and then select the "Mark" option, as shown in the illustration

8. You can then use the tagging feature to add the logo or icon you want in the picture.