Final answer:
Arial and Helvetica are both sans-serif typefaces with subtle differences such as the shape of the letter "A" and the uniformity of stroke thickness. Helvetica is known for its elegant and decorative uniform thickness, while Arial is more utilitarian. These differences in typefaces impact readability and design aesthetics.
Step-by-step explanation:
The difference between Arial and Helvetica typefaces is subtle but important. Note the tops of the "A" in these fonts. Arial's "A" has a scoop from left to right, while Helvetica's "A" has a flat top. Moreover, Helvetica has a more uniform thickness in its letterforms, providing that elegant or decorative quality. Both Arial and Helvetica are sans-serif typefaces, meaning they do not have the little "tails" or serifs at the end of the strokes.
When we discuss serifs, it's the decorative details on letterforms that can impact the overall readability and aesthetic of the text. Typography, particularly the choice between serif and sans-serif typefaces like Arial and Helvetica, plays a crucial role in corporate identity, conveying different meanings and associations. These nuances are particularly important given the wide array of typefaces available to modern designers.