a way of showing the most popular content on a website by using colour and size of type to show how important or frequent the tags added by users are 标签云（用不同颜色和字体大小来显示网站内容的关键词，以反映其重要性和热门程度） We have a tag cloud on the blogs homepage to help you with searching through our blogs by key word. 我们的博客主页上有标签云，帮助您通过关键字查阅博客。