C# Record Related Important Terms

Record	required Members
Record Class	Object Initializer
Record Struct	Pattern Matching
Readonly Record Struct	Property Pattern
Positional Record	Recursive Pattern
Non-Positional Record	Type Pattern
Primary Constructor	Value-based Semantics
Positional Parameters	Nominal Type
Init-only Property	Data Model
init Accessor	Data Transfer Object (DTO)
with Expression	Entity
Non-destructive Mutation	Immutable Collection
Value Equality	Value Object
Reference Equality	Encapsulation
Structural Equality	Generated Equality Members
Equality Comparison	Synthesized Constructor
Equals()	Synthesized Properties
GetHashCode()	Expression-bodied Member
Equality Operator (==)	Serialization
Inequality Operator (!=)	Deserialization
Compiler-generated Members	Nullable Reference Type
Immutable Object	Shallow Copy
Mutable Record	Deep Copy
ToString() Override	Init-only Setter
PrintMembers()	Record Conversion
Deconstruct()	Record Declaration
Deconstruction	Record Member
Copy Constructor	Value Object Pattern
Cloning	Data-centric Type
Clone() Method	Equality Contract
Record Inheritance	EqualityContract Property
Sealed Record	Record Metadata
Abstract Record	Primary Constructor Scope
Base Record	Record Type Hierarchy
Derived Record

C# .Tuple Related Important Terms

Tuple	Tuple Pattern
ValueTuple	Positional Pattern
Reference Tuple	Pattern Matching
Value Tuple	Deconstruct Method
Tuple<T1>	Deconstruct()
Tuple<T1, T2>	Nested Tuple
Tuple<T1, T2, T3>	Flattened Tuple
Tuple<T1,...,T7,TRest>	Tuple Conversion
ValueTuple<T1>	Implicit Tuple Conversion
ValueTuple<T1, T2>	Explicit Tuple Conversion
ValueTuple<T1,...,T7,TRest>	Tuple Inference
Tuple Literal	Tuple Compatibility
Tuple Expression	Tuple Element Type
Tuple Type	Tuple Element Name Inference
Tuple Instance	Anonymous Type vs Tuple
Tuple Element	Tuple Alias
Tuple Field	Generic Tuple
Tuple Member	Boxing
Named Tuple	Unboxing
Unnamed Tuple	Heap Allocation
Tuple Element Names	Stack Allocation
Tuple Projection Initializer	Value Semantics
Tuple Assignment	Reference Semantics
Tuple Return Type	Mutable ValueTuple
Tuple Parameter	Immutable Tuple
Tuple Deconstruction	ITuple
Tuple Declaration	Tuple Metadata
Tuple Unpacking	Tuple Serialization
Tuple Discard	Tuple-based API
Discards (_)	Lightweight Data Container
Multiple Assignment	Composite Return Value
Positional Access	Tuple Unification
Item1	Tuple Arity
Item2	Tuple Shape
Item3	Record vs Tuple
Rest Property	Anonymous Object vs Tuple
Tuple Equality	Collection Expression with Tuple
Structural Equality	Tuple Swap
Value Equality	Tuple Syntax
Tuple Comparison	Tuple Element Access