Guidelines for using end punctuation
• Use end punctuation for complete sentences.
• Insert one space following end punctuation if your application displays multiple sentences.
• Punctuate questions with a question mark (?).
• Use an ellipsis (...) only to indicate that text is truncated.
Best practice: Capitalization
For title case capitalization, capitalize the first word, the last word, and all other words except articles or prepositions with
fewer than four letters. For sentence case capitalization, capitalize the first word and any other word that requires
capitalization (such as a proper noun).
• Use sentence case capitalization for descriptions, dialog box messages, check boxes, and radio buttons.
• Use title case capitalization for application names (unless the brand specifies otherwise), screen titles, menu items,
buttons, drop-down list labels and values, tooltips, and BlackBerry device keys (for example, "press the Escape key").
• Use title case capitalization for links unless the link is within a phrase or sentence. In this case, use the capitalization
and punctuation of the text.
• Use title case capitalization for RIM product names (for example, "BlackBerry Enterprise Server") unless otherwise
noted in the RIM trademark and product name list. For more information about RIM product names, visit http://
na.blackberry.com/eng/legal/trademarks.jsp.
• Avoid using uppercase capitalization for emphasis. Uppercase capitalization can make users feel like you are shouting
at them.
Best practice: Abbreviations and acronyms
Guidelines for abbreviations
• Write out abbreviations where possible unless space is an issue. For instance, use "for example" instead of "e.g.".
• Do not write out units of measure.
• Use abbreviations that users are familiar with.
• Use abbreviations consistently.
Guidelines for acronyms
• Use acronyms that users are familiar with. Common acronyms include Wi-Fi, PIN, MMS, and SMS.
• Write out uncommon acronyms where possible unless space is an issue. For example, consider using the acronym in
the application menu instead of writing it out. If space is an issue and you use an uncommon acronym, provide the
written out version of the term elsewhere in the UI or in the product documentation.
• Write out all BlackBerry product names unless otherwise noted in the RIM trademark and product name list. For
example, use "BlackBerry Enterprise Server" instead of "BES." For more information about RIM product names, visit
na.blackberry.com/eng/legal/trademarks.jsp.
UI Guidelines Strategies
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