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File – Specifies the file name to load. The name can contain <UDIM> or <UVTILE> tags for Mari or Mudbox tiles respectively, or $nU and $nV for explicit tiles. Note that lower-case tags consider the tiles as starting from 0 whereas upper-case tags start from 1.

Filter – Specifies the type of filtering to apply to the image.

None – Does not apply any filtering.
Nearest – The nearest texel from the map is taken, without any interpolation. 
Mip-Map – Applies a mip-map filter.
Area – Applies an anti-aliasing area filter.
Elliptical – High quality anisotropic MIP map texture filtering that reduces blurring and aliasing artifacts.
Sharp Mip-Map

Interpolation – Specifies the interpolation method when using Mip-Map filtering.

Bilinear – Image values are interpolated from four pixels in the bitmap. This is the fastest interpolation method, but the result is not continuous (non-smooth) and may produce artifacts when the map is used for displacement or bump mapping.
Bicubic – Image values are interpolated from sixteen pixels in the bitmap. This is the slowest method, but the results are smooth without too much blur;
Quadratic – Image values are interpolated from nine pixels in the bitmap. This method is faster than the Bicubic interpolation, but may smooth the image too much.

Blur – Specifies the strength of the blur filter applied to the bitmap.

Transfer Function – Specifies the color space for the loaded image file.

None – No correction is applied;
Inverse gamma  – The color space is controlled through the Gamma parameter.
sRGB  – The loaded image is considered in sRGB color space;
Auto – Automatically determines the color transfer function. If a bitmap file name contains the string "_srgb" the transfer function is sRGB. If a bitmap file name contains the strings "_lin_srgb" or "raw", no correction is applied. For bitmap files with 8 bits per color component and 3 or 4 color components (like png, jpg and other), the transfer function is sRGB. In all other cases, no correction is applied.

Gamma – A gamma–correction value for the image when the Transfer Function is set to Inverse Gamma. For example, if the bitmap was saved to disk with a 2.2 gamma correction, you need to enter 0.4545 to remove that correction for the rendering.

RGB Primaries – Allows for manual override of the RGB primaries of the bitmap.

Raw – No transformation is applied to R|G|B colors. This option is suitable for normal maps;
sRGB – The loaded image is considered in sRGB color space;
ACEScg – The loaded image is considered in ACEScg color space.

Allow Negative Colors – When disabled, negative colors are clamped. Enable to allow negative colors.

Use Data Window – When enabled, takes the data window information, e.g. in OpenEXR files.

Auto Transfer Function from filename – When enabled, automatically sets the Color Space based on file extension.

Override Frame Number

Enable – Enables the use of frame number overrides.

Playback Type – Controls what happens when the last frame of the animated texture is reached. The available options are:

Linear
Loop – The animation starts again from the frame specified in the Start option;
Ping-Pong – The animation is played backwards until it reaches the frame specified in the Start option and then play forward again;
Hold – The animation stops at the last frame and it is displayed until the end of the scene animation.
Range

Start – Specifies the beginning of the texture animation. The frame number specified here is played at the first frame of the scene animation.

Offset – Specifies the number of frames shifted between the animation and the time range.

Speed – Specifies the pace at which the animation plays. The default of 1 plays at the speed for which the animation was created.

Length – Specifies the number of frames used to play the animation.