Use of Extent Indicators in ArcGIS

Original Article Link - Use of Extent Indicators in ArcGIS

Hi, everyone, I’m Xiaopang who studies geography. I haven’t seen you for a long time. Recently, I encountered a small problem. I need to make an instruction map of the research area. During the period, there were some problems in the relevant data preprocessing. I am looking for a way to solve it. On the Internet, I found that I encountered a lot of problems, and I would like to share them with you, hoping to solve them, and also make notes for my own study, hoping to grow up with everyone in the exchange of experience and learning. here is the image!
When reading a paper, I often see an enlarged image corresponding to a small box next to it, similar to the picture below:
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range indicator

main diagram

range indicator

A range indicator is a method of displaying the extent of a data frame within another data frame. Range indicators are dynamic.
The extent indicator updates automatically whenever the extent of the associated data frame (main map or locator map) changes. The range indicator is also updated when you rotate
the data or change the projection. Extent indicators work only if you have
a map that contains at least two data frames, where the extent of one data frame is completely within the extent of the other data frame. The larger data frame
is the locator map. The data frame with a smaller extent is the main map.
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Range Indicators - Chinese Version

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Range Indicators - English

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Instructions:

For example, there are two dataframes

Right-click one of the Layer data frames, open the Properties option, select Range Display, and add the layer of the range you want to display

Note: The last red box appears in the data box of the right-click Layer setting range display, but in actual operation, another added data box needs to be zoomed in and out, and then the red box will be zoomed in and out accordingly

Instead of directly controlling the size of the red box