Chronic obstructive lungs diseases what does a mean?

CHOLD is slowly progressing disease,which having an inflammation of low breath ways and obstruction  or lungs edemas,with symptoms of chronic bronchitis and lungs emphysema,and where having for three months a productive cough, does not cause any disease.Emphysema is pathologic widen of internal cavities, as lungs, and not naturally swelling and stretching tissues,where happening a valve mechanism,as air enters in lungs tissue, and remove hard.
And bronchitis here display with obstruction, as with mucus of membrane, breathe failure,edema, spasms bronchus, and leads to emphysema, and on 40 y and older having.