Are the following terms technically the same as they describe the factors influencing real estate appraisal?

• Explanatory variables • Predictive variables • Features • Factors • Traits • Discriminants • Properties • Determinants • Predictors • Attributes • Characteristics • Qualities • Indicators • Inputs • Covariates • Parameters • Regressors

What about the term 'parameter'? It is sometimes used to refer to factors, while in other cases, it refers to hyperparameters. In some instances, 'parameter' and 'hyperparameter' are used interchangeably when discussing models used for real estate appraisal.

Additionally, what is the difference between a model and an algorithm?