Meaning of "Fundamental Theory"
The theory that fundamentals are the most important in any field
"Success requires a solid foundation rather than flashy techniques."
Related slang words
Advance paymentA situation that is impossible to guard against, meaning it is unavoidable and difficult to handleRibsBecoming increasingly unpopularJustLet's just do itChang-ryeolWhen the value for money is poor in terms of features or qualityGirl GroupA walking statueHye-jaWhen the value and quality are excellent for the priceYour companyPretending to be cuteBrainy guyA man with exceptional intellectual abilities and a logical charm