The phrase "a sort of code" is correct and usable in written English.
It can be used when describing something that resembles or functions like a code, often in a metaphorical or informal context.
Example: "The message was written in a sort of code that only a few could decipher."
Alternatives: "a kind of code" or "a type of code".
"The Nashville literary community went into a sort of Code Red situation".
Marketers have a sort of code for talking about this -- they talk about how the young athletes they promote have "heart" or "passion".
"There is a sort of code used in some of these U.N. documents, and groups that advocate expanded access to abortion do construe these phrases to include abortion".
One of our readers says: "It seems that the Guardian has fallen into the habit of tacking 'gate' on to the end of various words as a sort of code to acknowledge the existence of a scandal.
Among older companies, there is a sort of code of honor.
In his nomination speech, Mr Bush attempted to assuage these fears by stressing that Ms Miers can be relied upon to follow the law rather than "legislat[e] from the bench"—a sort of coded message to activists that she will be a reliable vote for their cause.
It was an apt discussion for a show that itself represents a sort of code-switching for the network, known as BET.
Confronting a critic who sees Ozu as a traditionalist disgusted by western ways but prevented by censorship from saying so, he writes: "After all we've been through, I'm not going to let Late Spring be turned into a sort of coded gazetteer of nostalgic militarism".
This isn't the first time the organization has moved to deny a sexual relationship between their two roommate puppets; in June 2010, a tweet sent from the Sesame Street Twitter account from Bert that said his mohawk was more "mo" than "hawk" was suspected by bloggers to be a sort of coded acknowledgment of their relationship.
The app, which is designed to collate photos from a smartphone's photo albums and then share them, does so in China with the use of a QR code, a sort of bar code that is widely used by WeChat and other apps in the country.
The ambiguity of this code has resulted in a social-emotional vacuum that appears to have spawned a sort of reverse code of conduct that's devoid of the emotional intelligence that governs ordinary daily social interactions for the rest of us.
