Just wondering if there is any logic defined to use a certain arrow position (left|right or front|back or before|after or whatever ...) in a navigation item or if it's merely a matter of choice and look 'n feel.
This question came to me when someone decided for me to put arrows after navigation items in the design. I'm used to have them in front when dealing with lists or summaries.
live example: a list of interuptions for waterworks:
or
Answer
Chevron before the label: expansion in place
This pattern is similar to a directory tree, and can show various details in place, allowing users to expand multiple rows at once, possibly to compare details across more than one item.
Here's an example for transport line, where the departure time is emphasized, but I can expand to see the stops after I get on, and the final destination. Allowing expansion in place gives me a chance to compare destinations and stops without drilling into only one line.
Chevron after the label: drilldown to separate view
This is common in iOS apps, where space can be limited, and you want the user to focus only on the details (and settings) of one selected item.
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