it is a dwg file with various starting point symbols. You can download and use the file in areas where you need to put signs such as start, arrival, location.
You can download the Starting Point Symbols Dwg file from this page and use it in your autocad projects. All users can share and download files on Arkipedia. You need to wait for a while to download the file. If the file is not free, you can support it by checking out the subscription plans.