The difference between identity and sequence

1. Identity: British pronunciation [a?'dent?t?] American pronunciation [a?'d?nt?ti]

n. Identity; identity, consistency; Characteristics; identities; [plural identities]

2. Sequence: British pronunciation ['si?kw(?)ns] American pronunciation ['sikw?ns]

n. ][calculation] sequence; order; continued events; vt. arranged in order

[ past tense sequenced past participle sequenced present participle sequenced ]

3. The difference between the two is very Big, the noun meaning of identity means: identity; identity, consistency; characteristics;

And the noun meaning of sequence means: [number][count] sequence; order; continued events.