“词云”就是对网络文本中出现频率较高的“关键词”予以视觉上的突出，形成“关键词云层”或“关键词渲染”，从而过滤掉大量的文本信息，使浏览网页者只要一眼扫过文本就可以领略文本的主旨(The word "cloud" is the network text in high frequency keywords "to be visually prominent, the formation of" keyword cloud "or" keywords rendering "to filter out a lot of text information, make web browsing as long as a keynote glance can appreciate the text text)