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We changed the arrangement of the tabs from vertical and on the left to horizontal and at the top. We were able to do this because we had a smaller number of tabs, and so only one row would be required. This proved to help the aesthetics of our interface, and also saved valuable screen real-estate. Our design is, overall, very horizontally centered. Left-aligned tabs would have forced the tables in Schedule, Quotes, and WatchList to shrink in size (thus reducing visibility), and would have made the home page much less visually pleasing.
Design Decision II: Drop-down Nested Menus Replaced by Tables
Tables are ubiquitous in our new design: we opted away from drop-down nested menus and lists in the name of efficiency, visibility, and simplicity.
We originally had the market values for midnights presented as a set of nested drop-down menus (in the tab CurrentOpenTrades). We replaced it with the table in the Quotes page. There were several reasons for this change.
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We promoted user control and efficiency by allowing users to initiate trades from any page. Users can initiate trades on midnights they are assigned to from their home page; they can
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Implementation
Describe the internals of your implementation, but keep the discussion on a high level. Discuss important design decisions you made in the implementation. Also discuss how implementation problems may have affected the usability of your interface.
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