There are 6 Post Format Types:

• Standard – This is Core WordPress post Type
• Video – This option will help you embedding videos from Youtube and Vimeo.
• Audio – Custom sound such as Soundcloud embed able sounds and also custom uploadable songs.
• Status – This option will display Twitter and Instagram. Only insert the url of your status.
• Gallery – Inserting Gallery images
• Quote – Inserting quotes easiest way.
• Link – Inserting simple link post option.