All options has tool-tip information, so you can easy to understand what does it mean.
MCP has 6 special options which you must know them when create new menu item:

Featured Option 1: Drag and Drop Panel:

Featured Option 2: Multi menu item link types:

Let check the list below for menu items link types:

• CMS Page: link to a CMS page
• Category Page: link to category page with Auto Show Subcategory option
• Product Page: link to a special product page, required product ID
• Custom Url: link to any custom url with syntax http:// or https://
• Alias: no link to any thing, just a hastag href=”#”
• Seperator Line : a seperator line, no link available.
• Static Block: Embed a static block as content, only available for first menu level.
• My Account: link to Account Dashboard page
• My Cart: link to shopping cart page
• My Wishlist: link to My Wishlist page
• Checkout: Link to default checkout page
• Login: link to login page
• Logout: Logout action
• Register: link to register page
• Contact Us: link to contact us page

Example:

Featured Option 3: Auto Show Subcategory

This option depend on menu link type is Category page. It will auto show all sub category items of current selected category in 1 column layout. So you will not need to manual create sub menu items.

Backend

Frontend

The dropdown layout is always 1 column. If you would like to change to fullwidth or other columns layout, [see this]

Featured Option 4: Dropdown Column Layout

• 1 Column layout
• 2 Column layout
• 3 Column layout
• 4 Column layout
• 5 Column layout
• 6 Column layout
• 7 Column layout
• 8 Column layout
• 9 Column layout
• 10 Column layout
• 11 Column layout
• 12 Column layout
• Full Width [only item in first level]

Please check this to understand Column Layout Settings

Featured Option 5: Customer Permission

You can setup menu item view permission on frontend by customer group.

Setup Permission by Customer Group

Featured Option 6:  Upload Menu Image(font icon, photo)

Upload Menu Icon