Morse code is made up of dots and dashes. How did telegraph operators keep from losing track of where one letter ended and another began?

Question

In the movies, morse code comes through so fast it’s hard to tell a dot from a dash. Hoe did they keep from getting lost?

In: 1001

Answer 1

When people first began to type on mobile phones they were slow, now people can type at 100’s of words per minute, same thing applies to almost any physical skill. We got good over time.