Which item is essential to know before sketching a navigation menu flowchart

Some items that is essential to know before sketching a navigation menu flowchart : a) template specifics, such as horizontal or vertical menu layout  b) whether or not the site will implement a search feature  c) all of the pages in the site and the content each page will contain  d) who will be using the site and the design theme selected for them.  

a) click on any cells in the range of data

b) click the data

c) click sort& filter group, click sort

d) select the column to sort by and then select a sort order

e) select the next column to sort by and select the sort order

f) click ok