I believe that it means that a picture can do the same as a lenthy paragraph. It is a metaphor and it should not be taken literaly.
Athena was the goddess of reason, wisdom, and war. She famously sprung fully formed from the forehead of Zeus. A major figure in the Odyssey, in which she instructed Odysseus, she also guided Perseus and Heracles through their trials. The Parthenon was her chief temple in Athens, which is named in her honor
This answer depends on you mostly. You just need to describe your dream and how you will accomplish it with the SMART acronym, which stands for:
-Specific
-Measurable
-Achievable
-Realistic
-Timely