Gravity has a familiar physical meaning but also a nonphysical meaningâbasically seriousness. Thus, something grave possesses gravity. You can refer to the gravity of a person's manner, though public figures today seem to have a lot less gravity than they used to have. Or you can talk about a grave situation, as in the example sentence.
A wiki is a website where users can add, remove, and edit every page using a web browser. It's so terrifically easy for people to jump in and revise pages that wikis are becoming known as the tool of choice for large, multiple-participant projects.
Editors' Review. by: Download.com staff on February 08, 2010. As the name might suggest, WikiHow is a wiki how-to guide, which is a populated by users of the site and powered by MediaWiki.It's essentially an extension of eHow, which itself has tutorials on a variety of subjects (and--actually--eHow has a lot more of them).ditors' Review. by: Download.com staff on February 08, 2010. As the name might suggest, WikiHow is a wiki how-to guide, which is a populated by users of the site and powered by MediaWiki.