An LED. (el-ee-dee)You would put 'an' before the word LED because the letter L is pronounced with a leading vowel sound, as "EL". It is not a vowel that determines the usage, but the vowel sound....
By accepting reviews on a design project, whether in digital or physical medium, a designer can take critique/feedback on their project. This critique/feedback can possibly affect the designer...
conceptual design is just a rough draft picture (usually many) that lead up to the basic idea you are drawing. detailed design is similar but further along the design process and more detailed ,...