Charts, time lines, web diagrams, and Venn diagrams are examples of graphic organizers.
Explanation:
Graphic organizers are in a sense visual representations of data made so as to make the interpretation and the readability of the data easier with the pictorial representation of the said data with the use of visual aids.
Here the use of charts, time lines web diagrams as well as Venn diagrams all use the visual aid in different contexts to convey information that can be written down but is easily computed ad understood with visual aid when laid down to it.
what lines need more info
A secondary source in when you don't get the information from the person who said let's say you asked what's for lunch today and they told someone to tell you fried chicken but they told you chicken sandwich the answer can change before it gets to you.