[Delete All]

Deletes all Web data, authentication information, cache data, and browsing logs stored on this machine.

[Delete Webdata]

Deletes all Web data stored on this machine.

Deleting Web data prevents information used to access a Web page, or personal information such as the ID or password you entered on the Web page, from being leaked.

[Delete Authentication Information.]

Deletes all authentication information stored on this machine.

[Delete Cache]

Deletes all cache data stored on this machine.

[Delete History]

Deletes all browsing logs stored on this machine.