# comprehend ## Description Amazon Comprehend is an Amazon Web Services service for gaining insight into the content of documents. Use these actions to determine the topics contained in your documents, the topics they discuss, the predominant sentiment expressed in them, the predominant language used, and more. ## Available Commands * [batch-detect-dominant-language](batch-detect-dominant-language.md) * [batch-detect-entities](batch-detect-entities.md) * [batch-detect-key-phrases](batch-detect-key-phrases.md) * [batch-detect-sentiment](batch-detect-sentiment.md) * [batch-detect-syntax](batch-detect-syntax.md) * [batch-detect-targeted-sentiment](batch-detect-targeted-sentiment.md) * [classify-document](classify-document.md) * [contains-pii-entities](contains-pii-entities.md) * [create-dataset](create-dataset.md) * [create-document-classifier](create-document-classifier.md) * [create-endpoint](create-endpoint.md) * [create-entity-recognizer](create-entity-recognizer.md) * [create-flywheel](create-flywheel.md) * [delete-document-classifier](delete-document-classifier.md) * [delete-endpoint](delete-endpoint.md) * [delete-entity-recognizer](delete-entity-recognizer.md) * [delete-flywheel](delete-flywheel.md) * [delete-resource-policy](delete-resource-policy.md) * [describe-dataset](describe-dataset.md) * [describe-document-classification-job](describe-document-classification-job.md) * [describe-document-classifier](describe-document-classifier.md) * [describe-dominant-language-detection-job](describe-dominant-language-detection-job.md) * [describe-endpoint](describe-endpoint.md) * [describe-entities-detection-job](describe-entities-detection-job.md) * [describe-entity-recognizer](describe-entity-recognizer.md) * [describe-events-detection-job](describe-events-detection-job.md) * [describe-flywheel](describe-flywheel.md) * [describe-flywheel-iteration](describe-flywheel-iteration.md) * [describe-key-phrases-detection-job](describe-key-phrases-detection-job.md) * [describe-pii-entities-detection-job](describe-pii-entities-detection-job.md) * [describe-resource-policy](describe-resource-policy.md) * [describe-sentiment-detection-job](describe-sentiment-detection-job.md) * [describe-targeted-sentiment-detection-job](describe-targeted-sentiment-detection-job.md) * [describe-topics-detection-job](describe-topics-detection-job.md) * [detect-dominant-language](detect-dominant-language.md) * [detect-entities](detect-entities.md) * [detect-key-phrases](detect-key-phrases.md) * [detect-pii-entities](detect-pii-entities.md) * [detect-sentiment](detect-sentiment.md) * [detect-syntax](detect-syntax.md) * [detect-targeted-sentiment](detect-targeted-sentiment.md) * [detect-toxic-content](detect-toxic-content.md) * [import-model](import-model.md) * [list-datasets](list-datasets.md) * [list-document-classification-jobs](list-document-classification-jobs.md) * [list-document-classifier-summaries](list-document-classifier-summaries.md) * [list-document-classifiers](list-document-classifiers.md) * [list-dominant-language-detection-jobs](list-dominant-language-detection-jobs.md) * [list-endpoints](list-endpoints.md) * [list-entities-detection-jobs](list-entities-detection-jobs.md) * [list-entity-recognizer-summaries](list-entity-recognizer-summaries.md) * [list-entity-recognizers](list-entity-recognizers.md) * [list-events-detection-jobs](list-events-detection-jobs.md) * [list-flywheel-iteration-history](list-flywheel-iteration-history.md) * [list-flywheels](list-flywheels.md) * [list-key-phrases-detection-jobs](list-key-phrases-detection-jobs.md) * [list-pii-entities-detection-jobs](list-pii-entities-detection-jobs.md) * [list-sentiment-detection-jobs](list-sentiment-detection-jobs.md) * [list-tags-for-resource](list-tags-for-resource.md) * [list-targeted-sentiment-detection-jobs](list-targeted-sentiment-detection-jobs.md) * [list-topics-detection-jobs](list-topics-detection-jobs.md) * [put-resource-policy](put-resource-policy.md) * [start-document-classification-job](start-document-classification-job.md) * [start-dominant-language-detection-job](start-dominant-language-detection-job.md) * [start-entities-detection-job](start-entities-detection-job.md) * [start-events-detection-job](start-events-detection-job.md) * [start-flywheel-iteration](start-flywheel-iteration.md) * [start-key-phrases-detection-job](start-key-phrases-detection-job.md) * [start-pii-entities-detection-job](start-pii-entities-detection-job.md) * [start-sentiment-detection-job](start-sentiment-detection-job.md) * [start-targeted-sentiment-detection-job](start-targeted-sentiment-detection-job.md) * [start-topics-detection-job](start-topics-detection-job.md) * [stop-dominant-language-detection-job](stop-dominant-language-detection-job.md) * [stop-entities-detection-job](stop-entities-detection-job.md) * [stop-events-detection-job](stop-events-detection-job.md) * [stop-key-phrases-detection-job](stop-key-phrases-detection-job.md) * [stop-pii-entities-detection-job](stop-pii-entities-detection-job.md) * [stop-sentiment-detection-job](stop-sentiment-detection-job.md) * [stop-targeted-sentiment-detection-job](stop-targeted-sentiment-detection-job.md) * [stop-training-document-classifier](stop-training-document-classifier.md) * [stop-training-entity-recognizer](stop-training-entity-recognizer.md) * [tag-resource](tag-resource.md) * [untag-resource](untag-resource.md) * [update-endpoint](update-endpoint.md) * [update-flywheel](update-flywheel.md)