Terms for subject Idiomatic containing content

English	Russian
one's heart content	на полную (relax to your heart’s content sankozh)
in content	по своему содержанию (Alex_Odeychuk)
in content	по содержанию (Alex_Odeychuk)
scope and content	глубина и характер (напр., сотрудничества, отношений и т.д. bigmaxus)
to one's heart's content	досыта (наесться DRE)
to one's heart's content	до упаду (насмеяться, натанцеваться DRE)
to one's heart's content	вдоволь (origin: W. Shakespeare's "The Merchant of Venice" (act III, sc. IV) and "King Henry VI" (part II, act I, sc. I): The rose garden offers a fragrant place for a springtime visit, while the green lawns offer a spot to walk or to sit and daydream -- or, in winter, to play in the snow to your heart's content. (Burnaby Now) ART Vancouver)
to one's heart's content	вдосталь (origin: W. Shakespeare's "The Merchant of Venice" (act III, sc. IV) and "King Henry VI" (part II, act I, sc. I): The rose garden offers a fragrant place for a springtime visit, while the green lawns offer a spot to walk or to sit and daydream -- or, in winter, to play in the snow to your heart's content. (Burnaby Now) ART Vancouver)
to one's heart's content	сколько душе угодно (origin: W. Shakespeare's "The Merchant of Venice" (act III, sc. IV) and "King Henry VI" (part II, act I, sc. I): The rose garden offers a fragrant place for a springtime visit, while the green lawns offer a spot to walk or to sit and daydream -- or, in winter, to play in the snow to your heart's content. (Burnaby Now) ART Vancouver)
to one's heart's content	вволю (origin: W. Shakespeare's "The Merchant of Venice" (act III, sc. IV) and "King Henry VI" (part II, act I, sc. I): The rose garden offers a fragrant place for a springtime visit, while the green lawns offer a spot to walk or to sit and daydream -- or, in winter, to play in the snow to your heart's content. (Burnaby Now) ART Vancouver)
to one's heart's content	всласть (origin: W. Shakespeare's "The Merchant of Venice" (act III, sc. IV) and "King Henry VI" (part II, act I, sc. I): The rose garden offers a fragrant place for a springtime visit, while the green lawns offer a spot to walk or to sit and daydream -- or, in winter, to play in the snow to your heart's content. (Burnaby Now) ART Vancouver)
to one's heart's content	сколько душе угодно (заниматься чем-то приятным – есть, спать и т. д. DRE)
to one's heart's content	от души (есть, наесться, спать, выспаться DRE)