What does performance mean?

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English Language Tests, Intermediate level

ESL/EFL Test #88 "Simple Present (5)", question 4

during the wedding ......... in the village church just over two years ago.

(a) ceremony
(b) performance
(c) occasion
(d) event

English Language Tests, Intermediate level

ESL/EFL Test #88 "Simple Present (5)", answer 4

during the wedding ceremony in the village church just over two years ago.

Correct answer: (a) ceremony
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I do not know the word "performance".

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[Yankee]

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There are lots of dictionaries available online:
http://www.onelook.com/?w=performance&loc=scworef&scwo=1&ls=a

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