The Twitter component allows you to embed the feed of any Twitter account by simply entering the Twitter handle into the top field.
By default, a Twitter feed will display the last 20 tweets which can take up a significant height in an article. Enabling Fixed Height allows you to control the height of the twitter component, producing a scroll bar for users to navigate through tweets.
Display On Device
The 'Display On' option allows you to decide which devices an image appears on, by default an image will be shown to readers on every device