While it can take the form of an Infinity Stone, the Aether's default form is a liquid, which searches for and bonds with a host body. (cbr.com)
The designation of «sole proprietor» is simply the default form of small business. (thebalancesmb.com)
If, by contrast, you have a card that gives you extra cash back on dining, make sure that is your default form of payment on apps such as Starbucks, UberEats or Grubhub. (creditcards.com)