The document discusses various types of interstitial lung disease (ILD), their causes, symptoms, and management. Common features of ILD include pulmonary inflammation and scarring of the lungs due to abnormal tissue repair. Specific diseases mentioned include idiopathic pulmonary fibrosis and hypersensitivity pneumonitis caused by environmental exposures. Symptoms of ILD include shortness of breath, cough, and fatigue. Management involves avoiding irritants, breathing exercises, medications, oxygen therapy, and pulmonary rehabilitation.