Upper case letters are capital letters. Most schools teach children lower case letters first, and upper case letters later. lower case Upper case is also a noun. I'm wondering if `per capita' ought to have upper case, or should it be lower case? lower case. letters written in capitals (A, B, C) rather than in small form (a, b, c)
one of the large alphabetic characters used as the first letter in writing or printing proper names and sometimes for emphasis; "printers once kept the type for capitals and for small letters in separate cases; capitals were kept in the upper half of the type case and so became known as upper-case letters"
CASE tools designed to support the information planning and the project identification and selection, project initiation and planning, analysis, and design phases of the systems development life cycle (4) See also Lower CASE Usability An overall evaluation of how a system performs in supporting a particular user for a particular task (13)