The correct options are Project classification, Project web address, and Project overview.

Project classification is an optional metadata field used to group or label projects and it does not affect the project key or features. Jira administrators can set or leave this classification blank as needed.

Project web address is an optional URL field for linking external documentation or a project site and it is not required for project operation. It can be added or removed without changing the core project configuration.

Project overview refers to the project description or summary and is purely descriptive. It is optional metadata that helps users understand the project purpose and can be modified freely by administrators.

Component is not listed as an optional project field in the same sense because components are a separate project configuration used to organize issues rather than a simple descriptive field in the project details form.

Project name is a required identifier for a project. While an administrator can rename a project, the name itself is a core attribute and not considered an optional descriptive field.

Project type determines the project template and available features and is not a simple optional metadata field. Changing a project type is typically restricted or requires additional migration steps.

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