On-demand meaning
Always available. As a result of the Internet, people live in an on-demand world where information and entertainment can be accessed and merchandise can be ordered 24 hours a day. See video-on-demand, print-on-demand, capacity-on-demand, gig economy, utility computing, cloud computing, video streaming and SaaS.
When presented or asked for. Bills or notes that are payable when requested are known as demand notes. When the bank receives a demand note, it pays it, regardless of who the bearer may be.
noun