A hotlink appears as an underlined text link on an eForm. When the data entry user clicks a hotlink, they are taken directly to the eForm that is specified as the hotlink target. See image
There are two types of hotlink:
A static hotlink points to a target eForm in the current study for the current subject. The target remains the same and so the link always goes to the same place (although you can specify visit and eForm cycles).
Creating a hotlink on an eForm
Editing the font, size and colour of a hotlink