First you have to choose “Grid” as your layout, the other choice is “Slider”. Directions for that can be found here:
https://codex.ww.wp.xz.cn/Twenty_Fourteen
Then, you have to choose the posts that you want to feature and change their visibility to “Sticky”. Its under the “Publish” section of your post.
I use 2014 for my travel blog. http://camino.ricksaguin.com/
Good luck.
Thanks for the reply above. But on this example, https://ww.wp.xz.cn/themes/twentyfourteen/ – there are three content areas/images just underneath the main meu on top and above the videos on the right sidebar. Is there a special widget for that to show up?