The Meta Tag Wizard is a plugin, available from the Tools menu. It aids in creating META tags.
The Custom tab allows you to define your own META tag attribute values. Use this for creating META tags not generated by the Meta Tag Wizard.
The Refresh tab creates META tags that either refresh the current page after a delay or jump to another page after a delay.
The Expiration tab creates META tags which specify when the content of the page expires.
The Keywords tab creates META tags which specify keywords dealing with the page's content.
The Description tab creates META tags which specify a description of the page's content.
The Transitions tab creates META tags that tell the browser the make page transition effects when entering or exiting the page. These transitions generally only work in Internet Explorer.
The Generator tab creates META tags that tell the world your document was created with Spider Writer.