Blog post format is an optional value added to WordPress post that allows theme developers to define visual representation to the post. Hongo theme supports following post formats.
Standard: The default post format
Image: An image or photograph
Gallery: A gallery of images
Video: A post containing video
Audio: An audio file
Quote: A quotation
Link: A link to another site
To select post format, while editing a blog post, click on “Screen Options” in the top right corner of your admin to ensure the “post format settings” and “format” box is checked. After that these chosen icons will show in the post. See below images for more understanding.
For particular post format settings, see below image. That shows different settings for post format.