Your App Store listing consists of:
App Store Title: The main title of your app.
App Store Title Tagline: Secondary short description after your title.
App Store Description: A description of your app, detailing features and functionality.
Keywords: Search words that your customers can find you in the App Store with.
Primary Category: The primary category your app will be listed under.
Secondary Category: The secondary category your app will be listed under.
Language: The primary language supported by your app.
Support URL: Your store's contacts or support URL.