What is the main idea and two supporting details of this article?

Main idea: Leonardo Da Vinci had never been on a bicycle, but his ideas for them are helping create better ones for the future.

Supporting detail 1: Companies use his sketches to fix problems with bikes.

Supporting detail 2: A Company made a part for bikes in his honor that helps bike riders.

Explanation:

You may want to add more detail, like the company's name and some evidence from the text if required.

both the address and the poster use diction to convey their message. diction is defined as a style of writing or speaking based on the types of words chosen in order to send a message. parallelism is when a similar sentence structure is used for several sentences on a text; roosevelt's address doesn't follow that. repetition has to do with repeating a word or sentence in order to emphasize and idea, however neither the poster nor the address use repetion. finally, the address doesn't use images to convey a message.