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  2. Unique identifier - Wikipedia

    en.wikipedia.org/wiki/Unique_identifier

    names or codes allocated using a regime involving multiple (concurrent) issuers of unique identifiers that are each assigned mutually exclusive partitions of a global address space such that the unique identifiers assigned by each issuer in each exclusive address space partition are guaranteed to be globally unique.

  3. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    A numeric character reference uses the format &#nnnn; or &#xhhhh; where nnnn is the code point in decimal form, and hhhh is the code point in hexadecimal form. The x must be lowercase in XML documents. The nnnn or hhhh may be any number of digits and may include leading zeros. The hhhh may mix uppercase and lowercase, though uppercase is the ...

  4. Intelligent Mail barcode - Wikipedia

    en.wikipedia.org/wiki/Intelligent_Mail_barcode

    A possible Intelligent Mail Barcode for the Wikimedia Foundation address. The Intelligent Mail Barcode (IMb) is a 65-bar barcode for use on mail in the United States. [1] The term "Intelligent Mail" refers to services offered by the United States Postal Service for domestic mail delivery.

  5. Facing Identification Mark - Wikipedia

    en.wikipedia.org/wiki/Facing_Identification_Mark

    Diagram showing placement of the FIM (FIM C in this example) on a reply mailer. The Facing Identification Mark, or FIM, is a bar code designed by the United States Postal Service to assist in the automated processing of mail.

  6. Global Location Number - Wikipedia

    en.wikipedia.org/wiki/Global_Location_Number

    This means an IAN/EAN and a GLN can overlap in the identifiers used. This is why in most B2B standards like ASC X12 and EDIFACT the GTIN-13, formerly EAN will appear in line item elements like the LIN (line item), PO1 (PO line), or IT1 (Invoice Line) segments in X12 or LIN (line item) in segment in EDIFACT.

  7. Code 39 - Wikipedia

    en.wikipedia.org/wiki/Code_39

    For example, the letter P (being the 16th letter of the alphabet) has its bars aligned to represent the number 6, and the space in the far right position to select the group Letters(+20). When represented as a digit, the number "10" is used to encode the number zero.

  8. Uniform Resource Identifier - Wikipedia

    en.wikipedia.org/wiki/Uniform_Resource_Identifier

    A Uniform Resource Identifier (URI), formerly Universal Resource Identifier, is a unique sequence of characters that identifies an abstract or physical resource, [1] such as resources on a webpage, mail address, phone number, [2] books, real-world objects such as people and places, concepts. [3]

  9. Unicode and email - Wikipedia

    en.wikipedia.org/wiki/Unicode_and_Email

    As with all encodings apart from US-ASCII, when using Unicode text in email, MIME must be used to specify that a Unicode transformation format is being used for the text. UTF-7 , an obsolete encoding, had an advantage over Unicode encodings, on obsolete non-8bit-clean networks, in that it does not require a transfer encoding to fit within the ...