Here are the data structures with brief descriptions:

[detail level 1234]

CZydisAccessedFlags_
▼CZydisDecodedInstruction_	Information about a decoded instruction
CZydisDecodedInstructionAccessedFlags_	Information about accessed CPU flags
▼CZydisDecodedInstructionAvx_	Extended info for `AVX` instructions
CZydisDecodedInstructionAvxBroadcast_	Contains info about the `AVX` broadcast
CZydisDecodedInstructionAvxConversion_	Contains info about the `AVX` data-conversion (`KNC` only)
CZydisDecodedInstructionAvxMask_	Info about the embedded writemask-register (`AVX-512` and `KNC` only)
CZydisDecodedInstructionAvxRounding_	Contains info about the `AVX` rounding
CZydisDecodedInstructionAvxSwizzle_	Contains info about the `AVX` register-swizzle (`KNC` only)
CZydisDecodedInstructionMeta_	Meta info
▼CZydisDecodedInstructionRaw_	Detailed info about different instruction-parts like `ModRM`, `SIB` or encoding-prefixes
CZydisDecodedInstructionModRm_	Detailed info about the `ModRM` byte
CZydisDecodedInstructionRawDisp_	Detailed info about displacement-bytes
CZydisDecodedInstructionRawEvex_	Detailed info about the `EVEX` prefix
▼CZydisDecodedInstructionRawImm_	Detailed info about immediate-bytes
CZydisDecodedInstructionRawImmValue_	The immediate value
CZydisDecodedInstructionRawMvex_	Detailed info about the `MVEX` prefix
CZydisDecodedInstructionRawPrefixes_	Detailed info about the legacy prefixes (including `REX`)
CZydisDecodedInstructionRawRex_	Detailed info about the `REX` prefix
CZydisDecodedInstructionRawSib_	Detailed info about the `SIB` byte
CZydisDecodedInstructionRawVex_	Detailed info about the `VEX` prefix
CZydisDecodedInstructionRawXop_	Detailed info about the `XOP` prefix
▼CZydisDecodedOperand_	Defines the `ZydisDecodedOperand` struct
▼CZydisDecodedOperandImm_	Extended info for immediate-operands
CZydisDecodedOperandImmValue_	The immediate value
▼CZydisDecodedOperandMem_	Extended info for memory-operands
CZydisDecodedOperandMemDisp_	Extended info for memory-operands with displacement
CZydisDecodedOperandPtr_	Extended info for pointer-operands
CZydisDecodedOperandReg_	Extended info for register-operands
CZydisDecoder_	Defines the `ZydisDecoder` struct
CZydisDecoderTreeNode_	Defines the `ZydisDecoderTreeNode` struct
CZydisFormatter_	Defines the `ZydisFormatter` struct
CZydisFormatterBuffer_	Defines the `ZydisFormatterBuffer` struct
CZydisFormatterContext_	Defines the `ZydisFormatterContext` struct
CZydisFormatterToken_	Defines the `ZydisFormatterToken` struct
CZydisInstructionDefinition3DNOW_	Defines the `ZydisInstructionDefinition3DNOW` struct
CZydisInstructionDefinition_	Defines the `ZydisInstructionDefinition` struct
CZydisInstructionDefinitionEVEX_	Defines the `ZydisInstructionDefinitionEVEX` struct
CZydisInstructionDefinitionLEGACY_	Defines the `ZydisInstructionDefinitionLEGACY` struct
CZydisInstructionDefinitionMVEX_	Defines the `ZydisInstructionDefinitionMVEX` struct
CZydisInstructionDefinitionVEX_	Defines the `ZydisInstructionDefinitionVEX` struct
CZydisInstructionDefinitionXOP_	Defines the `ZydisInstructionDefinitionXOP` struct
CZydisInstructionEncodingInfo_	Defines the `ZydisInstructionEncodingInfo` struct
CZydisInstructionSegments_	Defines the `ZydisInstructionSegments` struct
CZydisOperandDefinition_	Defines the `ZydisOperandDefinition` struct
CZydisPredefinedToken_
CZydisRegisterContext_	Defines the `ZydisRegisterContext` struct
CZydisShortString_	Defines the `ZydisShortString` struct