The difference between Placeholder and Token
When used as nouns, placeholder means something used or included temporarily or as a substitute for something that is not known or must remain generic, whereas token means something serving as an expression of something else.
Token is also verb with the meaning: to betoken, indicate, portend, designate, denote.
Token is also adjective with the meaning: done as an indication or a pledge.
check bellow for the other definitions of Placeholder and Token
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Placeholder as a noun:
Something used or included temporarily or as a substitute for something that is not known or must remain generic; that which holds, denotes or reserves a place for something to come later.
Examples:
"This is placeholder data, so you'll want to include the real numbers as soon as you have them."
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Token as a noun:
Something serving as an expression of something else; sign, symbol
Examples:
"According to the Bible, the rainbow is a token of God's covenant with Noah."
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Token as a noun:
A keepsake, memento, souvenir
Examples:
"Please accept this bustier as a token of our time together."
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Token as a noun:
A piece of stamped metal or plastic, etc., used as a substitute for money; a voucher that can be exchanged for goods or services
Examples:
"Subway tokens are being replaced by magnetic cards."
"A book token is the easiest option for a Christmas gift."
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Token as a noun (obsolete, sometimes, figurative):
Evidence, proof; a confirming detail; physical trace, mark, footprint.
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Token as a noun:
Support for a belief; grounds for an opinion; reason, reasoning
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Token as a noun:
An extraordinary event serving as evidence of supernatural power, a miracle
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Token as a noun:
An object or disclosure to attest or authenticate the bearer or an instruction; a password
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Token as a noun:
A seal guaranteeing the quality of an item.
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Token as a noun:
Something given or shown as a symbol or guarantee of authority or right; a sign of authenticity, of power, good faith.
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Token as a noun:
A tally
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Token as a noun (philosophy):
A particular thing to which a concept applies.
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Token as a noun (computing):
An atomic piece of data, such as a word, for which a meaning may be inferred during parsing. Also called a symbol.
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Token as a noun (computing):
A conceptual object that can be possessed by a computer, process, etc. in order to regulate a turn-taking system such as a token ring network.
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Token as a noun (computing):
A meaningless placeholder used as a substitute for sensitive data.
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Token as a noun (grammar):
A lexeme; a basic, grammatically indivisible unit of a language such as a keyword, operator or identifier.
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Token as a noun (corpus linguistics):
A single example of a certain word in a text or corpus, as opposed to a type.
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Token as a noun (medical):
A characteristic sign of a disease or of a bodily disorder, a symptom; a sign of a bodily condition, recovery, or health.
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Token as a noun (medical, obsolete):
A livid spot upon the body, indicating, or supposed to indicate, the approach of death.
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Token as a noun (printing):
Ten and a half quires, or, commonly, 250 sheets, of paper printed on both sides; also, in some cases, the same number of sheets printed on one side, or half the number printed on both sides.
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Token as a noun (mining):
A bit of leather having a peculiar mark designating a particular miner. Each hewer sends one of these with each corf or tub he has hewn.
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Token as a noun (mining):
A thin bed of coal indicating the existence of a thicker seam at no great distance.
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Token as a noun (rail transport):
A physical object used for exchange between drivers and signalmen on single track lines.
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Token as a noun (weaving):
In a loom, a colored signal to show the weaver which shuttle to use.
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Token as a noun (Church of Scotland):
A piece of metal given beforehand to each person in the congregation who is permitted to partake of the Lord's Supper.
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Token as an adjective:
Done as an indication or a pledge; perfunctory, minimal or merely symbolic.
Examples:
"He made a token tap on the brake pedal at the stop sign."
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Token as an adjective:
a minor attempt for appearance sake, or to minimally comply with a requirement
Examples:
"he was hired as the company's token black person"
"the television show was primarily directed toward a black audience, but it did have a few token white people as performers"
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Token as a verb:
To betoken, indicate, portend, designate, denote
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Token as a verb:
To betroth
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Token as a verb (philosophy):
To symbolize, instantiate