Indeksiviivat
Indeksiviivat, a Finnish term, translates to "index lines" or "index strokes" and refers to a distinctive feature found in some types of writing systems. Specifically, it is often associated with the historical development of certain alphabets and scripts. These short, often horizontal or diagonal lines are not part of the primary letterforms but are added as secondary marks, sometimes to differentiate between similar characters or to indicate subtle phonetic distinctions.
The precise origin and function of indeksiviivat can vary depending on the script and historical period. In
The presence of indeksiviivat is not universal to all writing systems but is a notable characteristic of