substitute word for the Legend

[leakzone]

Hi,
What is the substitute word for the Legend
I am not quite sure of the general meaning of the word.
I believe it's not enought to simply look up the meaning of the word in a dictionary.
Please give us some substitute words(easy ones) for this.
Thank you.

p.s.
please don't get me wrong, i am not begging for any english learning.
I simpy don't want to make any translational mistake for that word.

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below, There are nine meanings of this word, please tell me to which number does this word belong to.


leg⋅end   /ˈlɛdʒənd/ Show Spelled Pronunciation [lej-uhnd] Show IPA Pronunciation

–noun 1. a nonhistorical or unverifiable story handed down by tradition from earlier times and popularly accepted as historical.
2. the body of stories of this kind, esp. as they relate to a particular people, group, or clan: the winning of the West in American legend.
3. an inscription, esp. on a coat of arms, on a monument, under a picture, or the like.
4. a table on a map, chart, or the like, listing and explaining the symbols used. Compare key 1 (def. 8).
5. Numismatics. inscription (def. 8).
6. a collection of stories about an admirable person.
7. a person who is the center of such stories: She became a legend in her own lifetime.
8. Archaic. a story of the life of a saint, esp. one stressing the miraculous or unrecorded deeds of the saint.
9. Obsolete. a collection of such stories or stories like them.

[CarolC1]

I think #4 is closest.

I think you could also call it a key.

Here is a better definition.

http://www.merriam-webster.com/dictionary/legend

"an explanatory list of the symbols on a map or chart"

[leakzone]

very good, CarolC1,

Thank you for your help.