-are displayed). <strong><em>You can change the colour used
-for a feature in the associated alignment by clicking on its colour box.</em></strong></p>
+are displayed). <strong><em>You can change the colour or
+shading style used for a feature in the associated alignment by clicking
+on its colour box.</em></strong></p>
+ <p>
+ <strong><em>Selecting alignment columns by feature</em></strong><br>
+ <strong>Double-click</strong> a feature to add all the columns where
+ that feature is found to the current column selection. <strong>Shift+Double-click</strong>
+ will add all the columns where that feature is <strong>not</strong>
+ found. You can also find these options in the feature's pop-up menu
+ (see below). <br />
+ <em>Select columns by feature was added in Jalview 2.8.1</em>
+ </p>
+ <p><strong><em>Feature settings pop-up menu</em></strong><br>
+<strong>Right-click</strong> on a feature to open a pop-up menu that
+allows you to sort the alignment or current selection using that feature
+type (see below), or toggle the type of colouring used for the feature.
+Features may be highlighted with either a single colour or a <a
+ href="featureschemes.html">feature colourscheme</a> based on either the
+scores associated with that feature or from the feature's description
+(e.g. to distinguish different names associated with a DOMAIN feature).</p>