Hi, in Revit, there two type of Dimension
(A) Temporary
(Also known as Listening Dimension, dimension will disappear when
the element is not selected)
(B) Permanent
( Continue to display dimension even when element is not selected
and it can be either modify or non-modifty)
Figure 1.1 below shown how to convert a temporary Dimension to a Permanent one
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEipG40hkOM9GvBq2sQDacI75zvxmZUa7s6h5tQRrZnwC6kED2od8pJQS4SQgbwaWlqNx5jqYyPYZWjKAn9vlOYPDXzDuEmpXuMW73ZjU3UgZi4Rv9xqes2myaxaJihVX0DMDt1pUaF3RgU/s320/d1.png)
Figure 1.2 below shown how to convert a Permanent Dimension into a Temporary one
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgocz4376us_1ClOmMrOUWeI-QT99WI0vXhjtC25kexf9hISzIiFykvL5rn6dkzUWBaHtBeWbnASYrgrIPa4Jwg57GwyNXjUj6r4QiwnyzTVxJj9UMe4wu26SJNSzcTwl7qqqhDXhRB0ZA/s320/d3.png)