- Sub string/Sub array:A\xA0**substring or sub array**\xA0is a contiguous sequence of characters within a string or an array.\n- Subsequence-A\xA0**subsequence**\xA0is an array that can be derived from another array by deleting some or no elements without changing the order of the remaining elements.\n\n| Contiguous | Yes | Yes | No |\n| --- | --- | --- | --- |\n| Order preserved | Yes | Yes | Yes |\n| Specific type | Array | String | Any sequence |\n| Gap allowed | No | No | Yes |

Sub string/Sub array:A\xA0substring or sub array\xA0is a contiguous sequence of characters within a string or an array.\n- Subsequence-A\xA0subsequence\xA0is an

Contiguous	Yes	Yes	No
Order preserved	Yes	Yes	Yes
Specific type	Array	String	Any sequence
Gap allowed	No	No	Yes