The Hebrew alphabet has 22 characters (from Alef to Tav). Hebrew is written and reads from right to left.

Ancient Hebrew was written from right to left in long continuous lines, having no spaces between its words. To distinguish between where one word ended and the next one began they used what’s referred to as ‘final’ characters.

For example, in English let’s take the sentence ‘I love you very much’ and write it from right to left w/o spaces: ‘.hcumyrevuoyevolI’ (looks Greek to me…smile). Now let’s change the last letter of each word by making it bold, thus having two sets of characters: regular and final (bold) ones. ‘hcumyrevuoyevolI’ Get the picture?

Modern Hebrew is still written from right to left but now has spaces between its words. Although spaces have technically eliminated the need for final characters, five still exist and are currently used today. The final Kaf, Mem, Nun, Fay, and Tsadee (outlined in ‘blue’).