1. Pointing out something
   "that house over there" 
2. The other one from this
   "this one is green, that one is red"

1. Introduces a subordinate clause
   "It is clear that you're up to the job"

Encyclopedia: That

• Aleurites fordii
• Aleurites moluccana
• aleurone
• aleuronic
• Aleut
• Aleutian
• Aleutian Islands
• Aleutians
• Aleve
• alevin
• alewife
• Alex Boncayao Brigade
• Alex Haley
• Alexander
• Alexander Alexandrovich Blok
• Alexander Archipelago
• air transport
• air transportation
• air transportation system
• air travel
• air traveler
• air traveller
• air unit
• air well
• air-breathing